RYOBI 40V Lithium-Ion 5.0 Ah High Capacity Battery OP4050A - The Home Depot
Ryobi defective 40v battery. Charger or battery issue? I notice there are 4 prongs/terminals on the battery itself and only 3 on the charging dock (see photo). Is there a prong/terminal missing
For Ryobi 40V Lithium Battery Shell Kit Case PCB Protective Board for Ryobi 40V Lithium Battery Repair Parts|Replacement Parts & Accessories| - AliExpress
Cheap Ryobi Batteries Full Teardown and Review - Not Sealed